Finding the Fourth Proportional to 1,106.79, 1,526.86 and 708.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,106.79 : 1,526.86 = 708.27 : x
2. Step 2: Convert to fraction form
   1,106.79/1,526.86 = 708.27/x
3. Step 3: Cross multiply
   1,106.79x = 1,526.86 × 708.27
4. Step 4: Simplify right side
   1,106.79x = 1,081,429.13
5. Step 5: Solve for x
   x = 1,081,429.13/1,106.79
6. Step 6: Final answer
   x = 977.09